[WebConnection] Fix race condition between Close and BeginWrite (#4693)

[mono.git] / mcs / class / System / System.Net / WebConnectionStream.cs

diff --git a/mcs/class/System/System.Net/WebConnectionStream.cs b/mcs/class/System/System.Net/WebConnectionStream.cs
index 295ee6757dc9c6df48202cbe65feb22dc4fdf17d..96a2b3bf42fc4cc506ad4e6fd056e2c6168d36b6 100644 (file)
--- a/mcs/class/System/System.Net/WebConnectionStream.cs
+++ b/mcs/class/System/System.Net/WebConnectionStream.cs
@@ -459,7 +459,7 @@ namespace System.Net
                                result.SetCompleted (false, 0);
                                if (!initRead) {
                                        initRead = true;
-                                       WebConnection.InitRead (cnc);
+                                       cnc.InitRead ();
                                }
                        } catch (Exception e) {
                                KillBuffer ();
@@ -480,7 +480,7 @@ namespace System.Net
                                                        AsyncCallback cb, object state)
                {
                        if (request.Aborted)
-                               throw new WebException ("The request was canceled.", null, WebExceptionStatus.RequestCanceled);
+                               throw new WebException ("The request was canceled.", WebExceptionStatus.RequestCanceled);
 
                        if (isRead)
                                throw new NotSupportedException ("this stream does not allow writing");
@@ -666,7 +666,7 @@ namespace System.Net
                                        cnc.EndWrite (request, true, r);
                                        if (!initRead) {
                                                initRead = true;
-                                               WebConnection.InitRead (cnc);
+                                               cnc.InitRead ();
                                        }
                                        var cl = request.ContentLength;
                                        if (!sendChunked && cl == 0)
@@ -675,7 +675,7 @@ namespace System.Net
                                } catch (WebException e) {
                                        result.SetCompleted (false, e);
                                } catch (Exception e) {
-                                       result.SetCompleted (false, new WebException ("Error writing headers", e, WebExceptionStatus.SendFailure));
+                                       result.SetCompleted (false, new WebException ("Error writing headers", WebExceptionStatus.SendFailure, WebExceptionInternalStatus.RequestFatal, e));
                                }
                        }, null);
 
@@ -719,23 +719,23 @@ namespace System.Net
 
                        SetHeadersAsync (true, inner => {
                                if (inner.GotException) {
-                                       result.SetCompleted (inner.CompletedSynchronously, inner.Exception);
+                                       result.SetCompleted (inner.CompletedSynchronouslyPeek, inner.Exception);
                                        return;
                                }
 
                                if (cnc.Data.StatusCode != 0 && cnc.Data.StatusCode != 100) {
-                                       result.SetCompleted (inner.CompletedSynchronously);
+                                       result.SetCompleted (inner.CompletedSynchronouslyPeek);
                                        return;
                                }
 
                                if (!initRead) {
                                        initRead = true;
-                                       WebConnection.InitRead (cnc);
+                                       cnc.InitRead ();
                                }
 
                                if (length == 0) {
                                        complete_request_written = true;
-                                       result.SetCompleted (inner.CompletedSynchronously);
+                                       result.SetCompleted (inner.CompletedSynchronouslyPeek);
                                        return;
                                }
 
@@ -800,7 +800,7 @@ namespace System.Net
                                complete_request_written = true;
                                if (!initRead) {
                                        initRead = true;
-                                       WebConnection.InitRead (cnc);
+                                       cnc.InitRead ();
                                }
                                return;
                        }
@@ -814,7 +814,7 @@ namespace System.Net
                                IOException io = new IOException ("Cannot close the stream until all bytes are written");
                                nextReadCalled = true;
                                cnc.Close (true);
-                               throw new WebException ("Request was cancelled.", io, WebExceptionStatus.RequestCanceled);
+                               throw new WebException ("Request was cancelled.", WebExceptionStatus.RequestCanceled, WebExceptionInternalStatus.RequestFatal, io);
                        }
 
                        // Commented out the next line to fix xamarin bug #1512